The CN508M connecting rod kit is for the famous Yamaha YZ250F engine. We apply nickel-contained chromoly steel, a higher strength material, for our con-rods. The rod can bear higher loading and higher RPM environment. 

Application: 

Yamaha 2003-2013 YZ 250F

Yamaha 2003-2013 WR 250F

Big-end Width (mm): 18

Small-end Width (mm): 15

Big-end Bore (mm): 40

Small-end Bore (mm): 16

Center-to-center (mm): 93.5

Pin Diameter (mm): 32

Pin Length (mm): 54.8

Big-end Bearing (mm): 32*40*18

Small-end Bearing (mm): Bush

Washer Thickness (mm): N/A